You're just a bundle of fun aren't you!!!Ok so this is your response, instead offering interesting counterpoints to the arguments.
You're just like every member here. "I Want This!" and you offer no professional OR amateur insight into how its possible. You just "gimme" and you don't care whats doable/practical/desirable and whats not.
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Or not.
I have actually posted in previous threads about the challenge of incorporating a TouchID sensor into a keyboard, and my thoughts on a screen based trackpad interface. That said, the main part of my original comment was simply that a TouchBar enabled external keyboard would probably be more popular than the TouchBar on the new laptops. I used the word "irony" because the original article stated that Apple would decided on whether to move forward with a TouchBar enabled external keyboard, based on the feedback and user experience with the new MBPs.
As for amateur insight as to how a context aware trackpad with a high resolution screen might work, imagine if you can, a device that's not too thick, that has a high resolution display, and advanced highly sensitive touch input capabilities. The device would require a built in power source and wireless capabilities, probably Bluetooth, to communicate with a computer. The computer's operating system would communicate with this hypothetical device and be able to tell it what images to display on its screen and would receive input commands that it could interpret based on the application in use at the time.
Now if Apple could only come up with a thin, rechargeable, touch enabled device with a high resolution screen, they might be able to knock up a prototype of this. It would be really cool if they could include some kind of haptic feedback and maybe even let you use a sort of stylus with it so that it could serve in the place a Wacom pen tablet too.